Fix disappearing messages timer positioning

Session/Conversations/ConversationVC.swift

@@ -5,7 +5,6 @@
 // • Photo rounding
 // • Scroll button behind mentions view
 // • Remaining search glitchiness
-// • Rethink disappearing messages timer positioning
 
 final class ConversationVC : BaseVC, ConversationViewModelDelegate, OWSConversationSettingsViewDelegate, ConversationSearchControllerDelegate, UITableViewDataSource, UITableViewDelegate {
     let thread: TSThread

Session/Conversations/Message Cells/VisibleMessageCell.swift

@@ -18,8 +18,8 @@ final class VisibleMessageCell : MessageCell, LinkPreviewViewDelegate {
     private lazy var messageStatusImageViewTopConstraint = messageStatusImageView.pin(.top, to: .bottom, of: bubbleView, withInset: 0)
     private lazy var messageStatusImageViewWidthConstraint = messageStatusImageView.set(.width, to: VisibleMessageCell.messageStatusImageViewSize)
     private lazy var messageStatusImageViewHeightConstraint = messageStatusImageView.set(.height, to: VisibleMessageCell.messageStatusImageViewSize)
-    private lazy var timerViewOutgoingMessageConstraint = timerView.pin(.right, to: .left, of: bubbleView, withInset: -Values.mediumSpacing)
-    private lazy var timerViewIncomingMessageConstraint = timerView.pin(.left, to: .right, of: bubbleView, withInset: Values.mediumSpacing)
+    private lazy var timerViewOutgoingMessageConstraint = timerView.pin(.left, to: .left, of: self, withInset: VisibleMessageCell.contactThreadHSpacing)
+    private lazy var timerViewIncomingMessageConstraint = timerView.pin(.right, to: .right, of: self, withInset: -VisibleMessageCell.contactThreadHSpacing)
 
     private lazy var panGestureRecognizer: UIPanGestureRecognizer = {
         let result = UIPanGestureRecognizer(target: self, action: #selector(handlePan))